How common is the McDermott surname?

There are approximately 100,000 people with the surname McDermott in the United States.

Are there McDermott soldiers in Civil War records?

Yes, 914 soldiers with the McDermott surname appear in Civil War records.

McDermott

Q: What does the surname McDermott mean?

The surname McDermott means "Descendant of Diarmait, meaning free man or without injunction.". It is of Irish origin.

Patronymic

Meaning

Descendant of Diarmait, meaning free man or without injunction.

Etymology

Derived from the Irish Mac Diarmada, from the personal name Diarmait. The surname is associated with County Roscommon and County Galway.

About the McDermott Surname

McDermott is a Connacht surname with medieval roots in County Roscommon and County Galway. The name is associated with a prominent family that held significant influence in the west of Ireland.

Distribution & Frequency

Estimated 100,000 bearers in the United States #391 most common surname

Rare Common

Primarily found in Connacht, particularly in County Roscommon, County Galway, and County Leitrim.

McDermott Surname Distribution

Geographic distribution based on Civil War military records.

Fewer

James T. McDermott

Honorable

James Thomas McDermott

Jos. McDermott

William McDermott

Chief Bill Clerk of the House

Quick Facts

Origin: Irish
Classification: Patronymic
Estimated Bearers: 100,000

War Records

914 soldiers with the McDermott surname found in Civil War records.

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